nbc's jim maceda is high above cairo's tahrir square. jim, good evening. >> reporter: hi, kate. well, of course, tahrir square behind me was ground zero for egypt's 2011 uprising, but lately it's had a similar feel and the smell of tear gas is back in the air. clashes between morsi opponents and riot police raged through the night and into a second day. protesters turning tahrir square into a tent encampment and pledging to target the besieged president until he designs or rescinds the decrees which give him sweeping powers and put him above the law. the move has triggered riots across the country, injuring more than 300 egyptians. "if morsi does that, we'll be exactly like iran, said this protester. "he is making himself not just a dicer, he's making himself a god." he said he had to take action to take radical action to save egypt from hosni mubarak's regime. but egyptians like alid mahmoud, a field medic who lost his friend in the uprising feels cheated by morsi and the islamist. they got his vote, but he says they got nothing but a new regime. do you think there will be anot